SP Switch function (MAP 0620)

Table 1-7. SP Switch error conditions (continued)

Error #

Message/condition

Description and action

 

 

 

−3

Device status: Device has been

Description: Possible hardware problem.

(SPS)

removed from network because of a

Action: Go to ªStep 0620-004º on page 1-21.

 

bad signature

 

Link status: Not operational

 

 

 

 

−4

Device status: Device has been

Description: Switch network not wired as specified in switch

(SPS)

removed from network, faulty

topology or problem with connection between switch and

 

Link status: Link has been removed

device.

 

Note: You may get this error number for a jack which could

 

from network or miswired, faulty

connect to a node, but instead has a wrap plug. In this case,

 

 

this message is a warning only and can be ignored.

 

 

Action:

 

 

1. Check this connection against the actual hardware cabling.

 

 

2. If the cabling does not match, correct the cabling

 

 

problem, then go to step 5 below.

 

 

3. Check the processor node's hostname and switch node

 

 

number against the configuration using the command:

 

 

splstdata -s pg

 

 

SDRGetObjects DependentNode

 

 

4. If this occurs on all nodes of a frame, check for a

 

 

logical-to-physical frame number mismatch.

 

 

5. If there is a mismatch, have the customer update the

 

 

configuration, or you can correct the cabling, as appropriate.

 

 

6. Go to ªStep 0620-004º on page 1-21.

 

 

 

 

Send packet from local node failed

Description: Possible hardware problem.

−5

 

Action: Go to ªStep 0620-004º on page 1-21.

(SPS)

 

 

 

 

 

 

−6

Device status: Device has been

Description: AUTOJOIN was not selected for node during

(SPS)

removed from network, no

removal.

 

AUTOJOIN

Action:

 

 

 

Link status: Link has been removed

1. If there is an obvious problem, like node powered off or

 

from network, no AUTOJOIN

 

disconnected, fix that problem first. Then issue Eunfence

 

 

 

 

for this processor node or dependent node.

 

 

2. If problem was resolved, repeat ªStep 0620-001ºon

 

 

page 1-17for next problem or go to ªStep 0620-043ºon

 

 

page 1-36to verify fix.

 

 

3. If problem was not resolved, go to ªStep 0620-004ºon

 

 

page 1-21.

 

 

 

 

Device status: Device has been

Description: Possible hardware problem.

−7

removed from network for not

Action: Go to ªStep 0620-004º on page 1-21.

(SPS)

responding

 

Link status: Link has been removed

 

 

from network, fenced

 

 

 

 

1-20RS/6000 SP: SP Switch Service Guide

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IBM RS/6000 SP manual Error # Message/condition Description and action, If the cabling does not match, correct the cabling

RS/6000 SP specifications

The IBM RS/6000 SP (Scalable Power) is a high-performance computing system that was developed in the early 1990s and has since become a significant player in the realm of supercomputing and enterprise solutions. Designed primarily for scientific, engineering, and complex data analysis tasks, the RS/6000 SP provides powerful processing capabilities, enhanced scalability, and features to support demanding applications.

One of the key characteristics of the RS/6000 SP is its modular architecture, which allows for the addition of multiple nodes. Each node is based on IBM's Power architecture, leveraging the RISC (Reduced Instruction Set Computing) design to achieve high throughput and efficiency. The system can support configurations ranging from a few nodes to hundreds, enabling organizations to scale their computational power as needed based on workload requirements.

The RS/6000 SP employs advanced interconnect technologies, most notably the SP Switch, which ensures high-speed communication between nodes. This interconnect allows for seamless data transfer, ensuring that the system can handle large datasets and complex computations without bottlenecks. The SP's ability to deliver concurrent processing capabilities makes it ideal for parallel computing tasks, including simulations, modeling, and large-scale computations.

In terms of software, the RS/6000 SP was equipped with AIX, IBM's version of the UNIX operating system, which provides a stable and secure environment for enterprise applications. Furthermore, the system supports a vast array of programming languages and tools, including Fortran, C, and C++, along with libraries and frameworks designed for high-performance computing. This compatibility allows developers to optimize their applications to fully utilize the underlying hardware.

Another notable feature of the RS/6000 SP is its extensive support for various workloads, including database management, multi-user applications, and graphical processing. The system was equipped with high-performance graphics capabilities, making it suitable for tasks that require intensive visualization, such as computer-aided design (CAD) and scientific visualization.

Overall, the IBM RS/6000 SP has solidified its role in the high-performance computing landscape, combining advanced technologies, robust scalability, and flexibility to meet the unique demands of research and enterprise environments. Its legacy continues to influence modern computing architectures, embodying IBM’s commitment to innovation and performance in the pursuit of complex problem-solving capabilities.